OpenTechnical

OT-2026-000078342

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, vented after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000078342) never changes.

Identity and time

Publication numberOT-2026-000078342 · never reused
Internal UUID01a0ae95-7c27-7185-b8fd-2effe15a8d5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078342
StatusPUBLIC

Content hashes

Canonical text667a030b1ab62412e90d55b378ca67192c6b75bea43f56fa76f115dc464aaca7
Markdown1f6321c556bab5612d55693c142a1382762df7b89482093486eadbaab6024b86
PDF
Publication page0e03bb2ed8367c94a24461bad204f19c83370e7eebfbbb0d85ce3b36b03d8668
Manifesta278ca82af19b9042fb6dfeb63c30a389e7848d33feb829aa5f35121bb578da2

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureyWMHMtgAzGKXKJSJNFSuPD1Mkpk1O+aEx9w+9JrzoMqJxCPRTf/sqziJ8wY8qbdwsNsLBCrFjxI5LrarVNPGDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:06:04.945642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078342
observed 0e03bb2ed8367c94a24461bad204f19c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:04.925745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078342/manifest.json
observed a278ca82af19b9042fb6dfeb63c30a38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:04.906448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078342/publication.md
observed 1f6321c556bab5612d55693c142a1382...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:04.888510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078342/publication.txt
observed 667a030b1ab62412e90d55b378ca6719...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.